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问题 单项选择题

慢性肾小球肾炎发病的主要因素为

A．遗传因素

B．急性肾小球肾炎迁延不愈所致

C．免疫介导炎症

D．病毒感染导致

E．溶血性链球菌感染所致

答案

参考答案：C

解析：慢性肾小球肾炎发病的主要因素是免疫介导炎症，多数病例肾小球内有免疫复合物沉积。

单项选择题 A1/A2型题

下列组织不能用乙醇固定的是（）

A.肝组织

B.阿米巴原虫

C.尤因肉瘤

D.纤维蛋白和弹力纤维

E.含血红蛋白等色素的组织
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单项选择题

The Rational Unified Process (RUP) is a software engineering process, which captures many of best practices in modern software development. The notions of use-cases and (71) have been proven to be an excellent way to capture function requirements. RUP can be described in two dimensions-time and content. In the time dimension, the software lifecycle is broken into cycles. Each cycle is divided into four consecutive (72) which is concluded with a well-defined (73) and can be further broken down into (74) - a complete development loop resulting in a release of an executable product, a subset of the final product under development, which grows incrementally to become the final system. The content structure refers to the disciplines, which group (75) logically by nature.

（75）处填（）。

A．activities

B．workflows

C．transitions

D．functions
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